SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO08477
Annotation
polymerase_[Lishi_Spider_Virus_1]
Full name
Large structural protein       + More
RNA-directed RNA polymerase L      
Alternative Name
RNA-directed RNA polymerase L
Large structural protein
Replicase
Transcriptase
Location in the cell
Mitochondrial   Reliability : 1.786 Nuclear   Reliability : 1.758
 

Sequence

CDS
ATGCCAGCGTTACCGTCTACAGTGTTGAGAAATAAGATGGAAACATTATTGCCTAAAATCACTAAGAATCAAGACGTCAAGAATCTGATTCAGGCTGCTAAATCAGTGTCCAGTCAGGAGTTCATTAAGGCCTTAGATTCATCTAATATATTACCTGCTCGTGTATTTGCTGCTCTATATGCAGCAAGTCCTAAAGGGATGTTGTCGGAATTTCTCGCAAAGTTTGAAACAGCAAGAAGTGTGTTACAAGCACTTATCTTAGGAAGCGGAAAGTATGCGGCTAGAAAAATGCTAAGACGACTAGTTAAACAGGAACACATTTTACAGAACTGGAGAGTCAATGTTATAAAAGGTCATGTTCGTGGTTACGATTATATGCATATTATCCTAGGTAACAAGTGCCCAGGAAAGGCCGCGAACTTAATTAGGGAAGAGTCATGGCGAAAACCTGTTGAGACAGTCACTATGCCTCCTCTTCAGCACCAAGTATATATGACAACACCTGAAAGAGGATCATTGAGTATGCATGATATCAAAAGTCATTTTACAATTAAATGTAACCAGTCCACAACTACCATTACCGAAGACGGGCGTCCTCACTACAGCACAGGGAATTTTAGACCTTTCGAGGGATACACTACCAGAACTGGTACCGTGGAGCCCACTATGAGTTTTATTGAGAAGGATGTTTTACTATCGAAACTGCAAAACGTCATAGAATTGGCTTCATGGACAAACAAGACTGGACTGAACAAAGAGAAGACTGCATCAATCAACAGTAATCTGCATCTGCTGATAGCTAAAATTGTTGAACAACACACTGATCATGACTTGAAGGTATTTGCACCATTCGTTGGCTGCCGACGATCTGGTACAGTTCAACATCATATCAGATGTCCAGGATACAGAGAGTCTATAGTCCCCAATACTCTACTAAATATGTATACACATACAGAGGGAGAGTCTGATTCCAACATGCATGTGAACTCCCAGCCTGGACAACATTACAAGATTAATTTCCTACACATCTACTGTTATGCTGTAGTTAGCGTCTTCTTGCACAATGAGATTTATTGTACGCCATCAGACAATAAAATCGTATGGTGTGTAACCCGGGATTGTGAGGAGTGTATGAGCCCTATTGATAAGACCCCGATTGTCATAGATGAGTCACTAATTGCAGATATAGATTTCTCGGCATTGAAGATCACTACATTAACAGAAGATGCGATGGATGTACTCAGGAAATCATTGGATATTCATGAAGGACGTGTCTATATGGTACCTGATGAAGAGACTAGGCTAGAAAATCAAATTGCATGTGAGGGAGTAATCCAAGAATTGTTGGAGACATTAGTGATGTCTAAAAATGCCTTGATTACACGATACACTCAGCATGCAATGACAAATGAAGGAAAACAAGTGTTAGGGGCGTTTGCAGTGAAGAATAAAAGGAGAGAGATTGGATTATCGGAATAA
Protein
MPALPSTVLRNKMETLLPKITKNQDVKNLIQAAKSVSSQEFIKALDSSNILPARVFAALYAASPKGMLSEFLAKFETARSVLQALILGSGKYAARKMLRRLVKQEHILQNWRVNVIKGHVRGYDYMHIILGNKCPGKAANLIREESWRKPVETVTMPPLQHQVYMTTPERGSLSMHDIKSHFTIKCNQSTTTITEDGRPHYSTGNFRPFEGYTTRTGTVEPTMSFIEKDVLLSKLQNVIELASWTNKTGLNKEKTASINSNLHLLIAKIVEQHTDHDLKVFAPFVGCRRSGTVQHHIRCPGYRESIVPNTLLNMYTHTEGESDSNMHVNSQPGQHYKINFLHIYCYAVVSVFLHNEIYCTPSDNKIVWCVTRDCEECMSPIDKTPIVIDESLIADIDFSALKITTLTEDAMDVLRKSLDIHEGRVYMVPDEETRLENQIACEGVIQELLETLVMSKNALITRYTQHAMTNEGKQVLGAFAVKNKRREIGLSE

Summary

Description
RNA-directed RNA polymerase that catalyzes the transcription of viral mRNAs, their capping and polyadenylation. The template is composed of the viral RNA tightly encapsidated by the nucleoprotein (N). The viral polymerase binds to the genomic RNA at the 3' leader promoter, and transcribes subsequently all viral mRNAs with a decreasing efficiency. The first gene is the most transcribed, and the last the least transcribed. The viral phosphoprotein acts as a processivity factor. Capping is concommitant with initiation of mRNA transcription. Indeed, a GDP polyribonucleotidyl transferase (PRNTase) adds the cap structure when the nascent RNA chain length has reached few nucleotides. Ribose 2'-O methylation of viral mRNA cap precedes and facilitates subsequent guanine-N-7 methylation, both activities being carried by the viral polymerase. Polyadenylation of mRNAs occur by a stuttering mechanism at a slipery stop site present at the end viral genes. After finishing transcription of a mRNA, the polymerase can resume transcription of the downstream gene.
Catalytic Activity
a ribonucleoside 5'-triphosphate + RNA(n) = diphosphate + RNA(n+1)
a 5'-(5'-triphosphoguanosine)-(purine-ribonucleotide)-[mRNA] + S-adenosyl-L-methionine = a 5'-(N(7)-methyl 5'-triphosphoguanosine)-(purine-ribonucleotide)-[mRNA] + S-adenosyl-L-homocysteine
a 5'-(N(7)-methyl 5'-triphosphoguanosine)-(2'-O-methyl-purine-ribonucleotide)-(ribonucleotide)-[mRNA] + S-adenosyl-L-methionine = a 5'-(N(7)-methyl 5'-triphosphoguanosine)-(2'-O-methyl-purine-ribonucleotide)-(2'-O-methyl-ribonucleotide)-[mRNA] + H(+) + S-adenosyl-L-homocysteine
a 5'-triphospho-(purine-ribonucleotide)-[mRNA] + GDP + H(+) = a 5'-(5'-triphosphoguanosine)-(purine-ribonucleotide)-[mRNA] + diphosphate
Similarity
Belongs to the paramyxovirus L protein family.
EMBL
KX884427    APG78724.1    KM817597    AJG39051.1    KX924630    API61887.1    + More
MF360789    AUW34382.1    MF416404    AWB14664.1    KM817604    AJG39067.1    KX884451    APG78824.1    KX884424    APG78716.1    KX884453    APG78828.1    MF189989    ASM94010.1    KM817610    AJG39074.1    KU095839    ALP32028.1    KX884455    APG78831.1    MH188031    AXQ04827.1    MH188036    AXQ04841.1    KM817601    AJG39060.1    MF189987    ASM94008.1    MG600011    AVM87278.1    MG600010    AVM87275.1    KX884439    APG78770.1    MG600009    AVM87272.1    KM817600    AJG39058.1    KX884419    APG78700.1    KM817599    AJG39057.1    KM817595    AJG39047.1    KM817594    AJG39044.1    MK026591    AYP67566.1    KX884449    APG78818.1    MG880117    AXQ59273.1    MG764515    AWK68105.1    KM817593    MH688555    AJG39041.1    QBQ65118.1    KM048317    AII01805.1    KM460042    AIY53910.1    KJ746903    AIE42676.2    KM817609    AJG39073.1    MH155923    AYV61054.1    MH155927    AYV61060.1    MH155920    AYV61047.1    KM817611    AJG39077.1    KU230451    ANC97697.1    MK026566    AYP67535.1    KM817606    AJG39070.1    MH155921    AYV61050.1    KX884458    APG78840.1    KX884409    APG78655.1    KX884444    APG78798.1    KX884461    APG78852.1    MH477287    AYW51538.1    KX884404    APG78635.1    MF287670    AWI42881.1    KX884408    APG78650.1    MH237595    AWK27462.1    FJ554525    ACQ94979.1    FJ554526    ACQ94985.1    MH430658    AWW13489.1    MH430666    AWW13507.1    MH430650    AWW13450.1    MH430653    AWW13465.1    MH430655    AWW13479.1    MH430648    MH430659    AWW13443.1    AWW13492.1    MH037149    AWW01093.1    MH430652    AWW13458.1    MG012486    AUE23903.1    MH430665    AWW13503.1    MH430657    AWW13485.1    KM817598    AJG39054.1    MH430663    MH430664    AWW13497.1    AWW13500.1    MH430656    AWW13482.1    MH430654    AWW13472.1    MH430651    AWW13453.1    KX884418    APG78697.1    KM817632    AJG39111.1    KF823814    AIB06812.1    KX884441    APG78782.1    GEEE01008921    JAP54304.1    KF530058    AHA90827.1    MF176375    ASA47494.1    GEEE01006270    JAP56955.1    MF176245    ASA47282.1    MF176356    ASA47464.1    MF176316    ASA47403.1    MF176296    ASA47369.1    MH213246    AXA52562.1    KM817641    AJG39142.1    KX257488    ANQ45640.1    KM817645    AJG39155.1   
Pfam
PF14318   Mononeg_mRNAcap        + More
PF00946   Mononeg_RNA_pol
PF01728   FtsJ
PF14314   Methyltrans_Mon
Interpro
IPR026890   Mononeg_mRNAcap        + More
IPR014023   Mononeg_RNA_pol_cat       
IPR016269   RNA-dir_pol_paramyxovirus       
IPR025786   Mononega_L_MeTrfase       
IPR002877   rRNA_MeTrfase_FtsJ_dom       
IPR039530   L_methyltransferase_rhabdo       
IPR039736   L_poly_C       

Ontologies

Topology

Subcellular location
Virion  
Host cytoplasm  
Length:
492
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.0661299999999999
Exp number, first 60 AAs:
0.00289
Total prob of N-in:
0.00105
outside
1  -  492
 
 

Population Genetic Test Statistics

Pi
230.627384
Theta
208.002971
Tajima's D
0.34314
CLR
249.860882
CSRT
0.463776811159442
Interpretation
Uncertain
Copyright@ 2018-2023    Any Comments and suggestions mail to:zhuzl@cqu.edu.cn   渝ICP备19006517号

渝公网安备 50010602502065号